:root {
  --bpc-safe-top: env(safe-area-inset-top, 0px);
  --bpc-safe-bottom: env(safe-area-inset-bottom, 0px);
  --bpc-mobile-padding: 16px;
  --bpc-mobile-gap: 18px;
  --bpc-mobile-radius: 14px;
}

body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background: var(--bpc-surface, #fff);
  color: var(--bpc-text, #0F172A);
}

img,
video {
  max-width: 100%;
  height: auto;
}

@supports (padding: max(0px)) {
  body {
    padding-top: var(--bpc-safe-top);
    padding-bottom: var(--bpc-safe-bottom);
  }
}

/* Zones tactiles minimales sur mobile */
@media (hover: none) and (pointer: coarse) {

  a,
  button,
  input,
  select,
  textarea {
    min-height: 44px;
    min-width: 44px;
  }
}

@media (max-width: 900px) {

  section,
  .section {
    padding-left: var(--bpc-mobile-padding);
    padding-right: var(--bpc-mobile-padding);
  }

  .grid,
  [style*="grid-template-columns: auto 1fr"],
  [style*="grid-template-columns: 1fr 2fr"],
  [style*="grid-template-columns: 2fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: var(--bpc-mobile-gap);
  }

  .hero-modern {
    margin-block: 32px;
    border-radius: 12px;
    min-height: auto;
  }

  .hero-modern h1 {
    font-size: clamp(28px, 6vw, 40px);
    line-height: 1.1;
  }

  .hero-modern .lead {
    font-size: clamp(16px, 4vw, 19px);
  }

  .hero-modern .actions,
  .cta-actions,
  .cta-buttons,
  .section .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-modern .btn,
  .cta-actions .btn,
  .cta-buttons .btn,
  .actions .btn {
    width: 100%;
    justify-content: center;
  }

  .card,
  .panel,
  .box {
    border-radius: var(--bpc-mobile-radius);
    box-shadow: var(--shadow, 0 8px 24px rgba(0, 0, 0, 0.08));
  }

  .chips {
    gap: 10px;
  }

  .fab-cta {
    right: 14px;
    bottom: calc(16px + var(--bpc-safe-bottom));
  }
}

@media (max-width: 768px) {

  .section h2,
  section h2 {
    font-size: clamp(24px, 6vw, 30px);
  }

  .section h3,
  section h3 {
    font-size: clamp(20px, 4.8vw, 24px);
  }

  .section .section-intro {
    font-size: 15px;
    line-height: 1.65;
  }

  /* Menu glissant mobile */
  .sliding-menu {
    right: -105%;
    width: min(100%, 420px);
    max-width: 100%;
    padding-bottom: calc(24px + var(--bpc-safe-bottom));
    -webkit-overflow-scrolling: touch;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.16);
  }

  .sliding-menu-header {
    padding: 24px;
    padding-top: calc(20px + var(--bpc-safe-top));
  }

  .sliding-menu-header h3 {
    font-size: 18px;
  }

  .sliding-menu-close {
    width: 42px;
    height: 42px;
    font-size: 22px;
  }

  .sliding-menu-content {
    padding: 24px;
  }

  .sliding-menu-section {
    margin-bottom: 32px;
  }

  .sliding-menu-nav a {
    padding: 14px 16px;
    border-radius: 14px;
    min-height: 52px;
    font-size: 16px;
    gap: 14px;
  }

  .sliding-menu-nav .icon {
    font-size: 20px;
    width: 24px;
  }

  .sliding-menu-stages {
    padding: 18px;
    border-radius: 14px;
  }

  .stage-card {
    padding: 16px;
    border-radius: 12px;
  }

  .sliding-menu-contact {
    padding: 18px;
    border-radius: 14px;
  }

  .menu-toggle {
    bottom: var(--menu-toggle-bottom-mobile, calc(18px + var(--bpc-safe-bottom)));
    right: var(--menu-toggle-right-mobile, 16px);
    width: var(--menu-toggle-size-mobile, 48px);
    height: var(--menu-toggle-size-mobile, 48px);
    font-size: var(--menu-toggle-font-mobile, 18px);
  }

  .menu-overlay {
    backdrop-filter: blur(2px);
  }

  body.menu-open {
    overflow: hidden;
    height: 100vh;
    touch-action: none;
  }
}

@media (max-width: 540px) {
  .hero-modern .hero-inner {
    padding-inline: var(--bpc-mobile-padding);
  }

  .card .title {
    font-size: 22px;
  }

  .card .meta {
    font-size: 14px;
  }

  .badge-price {
    font-size: 15px;
  }

  .sliding-menu-nav a {
    font-size: 15px;
  }
}